... air. Company profile:Shanghai HOLYSUN Machinery Technology Co.,Ltd.Established in 1993,is an integrated enterprise which ... used in electrical,metallurgy,electron,mechanism,petroleum,chemical industry,auto industry,textile industry,chemical fiber stuff,air treatment, ... Beijing,Guangzhou,Jinan,Shenyang,Zhengzhou,Wuhan, Chengdu and Wu-xi which responsible for before & after-sales technology consultation ...